Aha (free): “…connects iPhone users from across major U.S. cities including Los Angeles, Dallas, Seattle and Washington, D.C., to share real-time information on traffic conditions.”

MotionX GPS ($2.99): “…premium location app optimized for the iPhone 3GS, complete with accelerometric-assisted GPS for improved accuracy…indicates and tracks the user’s position wherever they go–not just on street maps, but also topographic and satellite maps, which explains why the software is so popular with runners, hikers, skiers and boaters.”

Put Things Off ($2.99): ” …expressly targets procrastinators… encourages users to focus on what’s important each day and ‘put off stuff that’s not’–its touch-based filing system incorporates a series of virtual trays that separate tasks according to priority level, with completed chores disappearing in a puff of smoke.” Available for iPhone.

Sherpa (free): “..local discovery application optimized for Android…promises a customized user experience that improves each time you use it, recommending retailers, restaurants and attractions as it begins to understand your likes, dislikes and behavioral patterns.”

Snac (free): makes ” it easier to get at popular applications like Facebook, Twitter and Flickr while also offering up news, weather, email and related tools in a user-friendly, at-a-glance format.” Available for various smartphones.

3deep: (free): “…offer users new insight into their contacts’ presence, location and availability…users share information on their current status, whereabouts and preferred means of contact, and the app’s Tell Me When feature indicates whether communications are best initiated via voice, text, e-mail or IM. Users also determine when and with whom they want to share deep presence information, and can limit how much personal data they wish to divulge on a case-by-case basis.” Available for various smartphones.

Vlingo (free): “speech recognition app–available for iPhone, BlackBerry, Windows Mobile and Symbian devices–delivers a single voice interface that works with native and third-party applications, offering one-button access to contact lists, search tools, local listings and social networking status updates.

WeatherBug Elite ($0.99): “live updates from a vast global network of professional weather stations…bolsters live local weather conditions and forecasts with the addition of full radar animation as well as supplementary map layers spanning infrared satellite, humidity, air pressure, wind speed and next-day high and low temperatures.” Available for iPhone, Android, Nokia, Windows Mobile and Blackberry.

Wertago (free): location-sensitive mobile social networking app… grand prize winner in last year’s Android Developer Challenge…pinpoints where the action is, complete with real-time ratings, tags and reviews…also tells you which of your friends are already there and includes tools to message and coordinate plans with them.” Available for various smartphones.

Zagat to Go ’09 ($9.99): “…includes over 40,000 reviews from the venerable ratings guide, as well as suggestions covering nightclubs, hotels and retailers…the iPhone version incorporates GPS features to guarantee you don’t get lost en route to that out-of-the way place. Other components of the application include search, reservations, top-rated lists organized by locale and sorting by food, décor, service scores or estimated meal cost.” Available for various smartphones.